Milling NIMS Study Guide
A CNC milling machine makes use of a feed price given in inches in line with revolution
(IPR). What is the feed in inches in line with revolution for a 4 fluted give up mill with a
recommended chip load consistent with tooth of 0.014 inches? - ANS-zero.056 IPR
A proper-hand stop mill rotates ________ in the spindle and _________ while regarded from
the front end (reducing edges) - ANS-Clockwise, counterclockwise
A shaft has a -inch diameter. The milling cutter has a diameter of zero.250 inches. The
machinist has touched off on the side (no longer the top) of the shaft and has raised the
milling cutter to clean the component. How some distance have to the table be moved to
center the milling cutter over the shaft? - ANS-1.One hundred twenty five inches
An part finder has a tip diameter of 0.2 hundred inches. What distance ought to the desk
circulate to align the middle of the edge finder to the threshold of the workpiece? - ANS-0.A
hundred inches
Calculate the feed in inches consistent with minute for O1 tool metallic with a reducing
velocity of 55 SFM. The HSS cease mill has a diameter of 0.875 inches with four flutes. The
chip load in keeping with enamel is 0.008 inches - ANS-eight.05 IPM
Feed quotes for milling operations are expressed as __________ - ANS-Inches consistent
with minute
Handling solvents, lubricants and cleansing fluids properly maintains a safe work region. A
record used as a reference for coping with these substances is - ANS-Material Safety Data
Sheet (MSDS)
If solid material becomes lodged in the attention, the first step for correct first resource is to: -
ANS-Pull the top lid over the lowest lid
Name the 3 forms of faucets discovered in a faucet set: - ANS-Taper, plug, bottoming
Production parts are rejected when - ANS-Dimensions are out of tolerance
Proper disposal of oily rags and wipes prevents fires by means of stopping -
ANS-Spontaneous combustion
Removing any part of the Fire Triangle extinguishes the fire. The 3 components of the First
Triangle are: - ANS-Oxygen, fuel, heat
The excellent cutting fluid for tapping aluminum is: - ANS-Heavy Duty Soluble Oil
, The high-quality reducing fluid for tapping gray forged iron is: - ANS-No reducing fluid in any
respect
The accurate RPM for a zero.750 diameter high speed metal quit mill machining O1 tool
metallic at 50 sfm is: - ANS-266.7 RPM
The reducing velocity (in floor toes according to minute) is determined through:
A) The type of fabric being machined
B) The length of the vertical milling machine
C) The tension of the workholding device
D) Number of cutting edges on the device - ANS-A) The form of fabric being machined
The intensity of a three/8-inch diameter counterbore can be best measured with a
_________ __________ - ANS-Depth Micrometer
The size of a hole is stated as 9/sixteen ± 1/sixty four inches. Which of the subsequent
statements is true if a 0.584-inch diameter pin slips into the hole?
A) The hollow is oversize
B) The hole is to length
C) The hole is undersize
D) A fractional hollow cannot be measured with pins - ANS-A) The hollow is oversize
The hand dial discovered at the table of a vertical milling device has a resolution of: -
ANS-zero.001 inches
The maximum normally used maintaining device for a drill is applied on a vertical mill is a: -
ANS-Drill Chuck
The most typically used work-maintaining device on the vertical milling system is a:
A) Hold down clamp
B) Vise
C) Rotary desk
D) Dividing head - ANS-B) Vise
The top of the line thread percentage that most tap drill charts are primarily based on -
ANS-75%
The process of checking and adjusting a measuring tool to an appropriate widespread is
referred to as: - ANS-Calibration
The table of a vertical milling system rests on the: - ANS-Saddle
The tap drill for a three/eight-16 UNC internal thread is ______ inches in diameter and
affords a _______ thread engagement - ANS-0.3125, 75%
The type of tap this is satisfactory appropriate for end tapping a blind hollow is a: -
ANS-Bottoming tap
A CNC milling machine makes use of a feed price given in inches in line with revolution
(IPR). What is the feed in inches in line with revolution for a 4 fluted give up mill with a
recommended chip load consistent with tooth of 0.014 inches? - ANS-zero.056 IPR
A proper-hand stop mill rotates ________ in the spindle and _________ while regarded from
the front end (reducing edges) - ANS-Clockwise, counterclockwise
A shaft has a -inch diameter. The milling cutter has a diameter of zero.250 inches. The
machinist has touched off on the side (no longer the top) of the shaft and has raised the
milling cutter to clean the component. How some distance have to the table be moved to
center the milling cutter over the shaft? - ANS-1.One hundred twenty five inches
An part finder has a tip diameter of 0.2 hundred inches. What distance ought to the desk
circulate to align the middle of the edge finder to the threshold of the workpiece? - ANS-0.A
hundred inches
Calculate the feed in inches consistent with minute for O1 tool metallic with a reducing
velocity of 55 SFM. The HSS cease mill has a diameter of 0.875 inches with four flutes. The
chip load in keeping with enamel is 0.008 inches - ANS-eight.05 IPM
Feed quotes for milling operations are expressed as __________ - ANS-Inches consistent
with minute
Handling solvents, lubricants and cleansing fluids properly maintains a safe work region. A
record used as a reference for coping with these substances is - ANS-Material Safety Data
Sheet (MSDS)
If solid material becomes lodged in the attention, the first step for correct first resource is to: -
ANS-Pull the top lid over the lowest lid
Name the 3 forms of faucets discovered in a faucet set: - ANS-Taper, plug, bottoming
Production parts are rejected when - ANS-Dimensions are out of tolerance
Proper disposal of oily rags and wipes prevents fires by means of stopping -
ANS-Spontaneous combustion
Removing any part of the Fire Triangle extinguishes the fire. The 3 components of the First
Triangle are: - ANS-Oxygen, fuel, heat
The excellent cutting fluid for tapping aluminum is: - ANS-Heavy Duty Soluble Oil
, The high-quality reducing fluid for tapping gray forged iron is: - ANS-No reducing fluid in any
respect
The accurate RPM for a zero.750 diameter high speed metal quit mill machining O1 tool
metallic at 50 sfm is: - ANS-266.7 RPM
The reducing velocity (in floor toes according to minute) is determined through:
A) The type of fabric being machined
B) The length of the vertical milling machine
C) The tension of the workholding device
D) Number of cutting edges on the device - ANS-A) The form of fabric being machined
The intensity of a three/8-inch diameter counterbore can be best measured with a
_________ __________ - ANS-Depth Micrometer
The size of a hole is stated as 9/sixteen ± 1/sixty four inches. Which of the subsequent
statements is true if a 0.584-inch diameter pin slips into the hole?
A) The hollow is oversize
B) The hole is to length
C) The hole is undersize
D) A fractional hollow cannot be measured with pins - ANS-A) The hollow is oversize
The hand dial discovered at the table of a vertical milling device has a resolution of: -
ANS-zero.001 inches
The maximum normally used maintaining device for a drill is applied on a vertical mill is a: -
ANS-Drill Chuck
The most typically used work-maintaining device on the vertical milling system is a:
A) Hold down clamp
B) Vise
C) Rotary desk
D) Dividing head - ANS-B) Vise
The top of the line thread percentage that most tap drill charts are primarily based on -
ANS-75%
The process of checking and adjusting a measuring tool to an appropriate widespread is
referred to as: - ANS-Calibration
The table of a vertical milling system rests on the: - ANS-Saddle
The tap drill for a three/eight-16 UNC internal thread is ______ inches in diameter and
affords a _______ thread engagement - ANS-0.3125, 75%
The type of tap this is satisfactory appropriate for end tapping a blind hollow is a: -
ANS-Bottoming tap
